A C-17 from McChord Air Force Base, Wash., sits on the ice in Antartica after delivering cargo to McMurdo Station. A crew of Air Force Reserve and active-duty Airmen from McChord's 446th and 62nd Airlift Wings will fly the last mission of the 2007-2008 Operation Deep Freeze season in April. (U.S. Air Force photo/Maj. Steve Mortensen)